摘要 |
The compound represented by the formula: <IMAGE> where R1 stands for amino or an organic residue bonded through nitrogen; R2 stands for carboxyl or a group derivable therefrom; R3, R4, R5, R6, R7 and R8 independently stand for hydrogen or an organic residue, including the case where R5 or R6 forms a chemical bond or a ring with R7 or R8; X stands for hydrogen, methoxy or formylamino; or a salt thereof, produceable by the present method, exhibits excellent antimicrobial activity, and is utilized as antimicrobial agents.
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申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
NATSUGARI, HIDEAKI;KAWANO, YASUHIKO;MORIMOTO, AKIRA;YOSHIOKA, KOUICHI |